/// <summary>
/// This method parses the incoming request and creates an OAuth message from it.
/// </summary>
/// <param name="httpContext"> The current HttpContext.</param>
/// <returns>Returns the OAuth message created from the incoming request.</returns>
public virtual OAuthMessage ParseIncomingRequest(HttpContextBase httpContext)
{
if (TempData[OauthMessageKey] != null)
{
TempData.Keep(OauthMessageKey);
return TempData[OauthMessageKey] as OAuthMessage;
}
var serializer = new OAuthMessageSerializer();
var message = serializer.Read(httpContext);
return message;
}
public virtual OAuthMessage Read(string httpMethod, string httpContentType, Uri requestUri, System.IO.Stream incomingStream)
{
if (string.IsNullOrEmpty(httpMethod))
{
throw new ArgumentOutOfRangeException("httpMethod");
}
if (requestUri == null)
{
throw new ArgumentNullException("requestUri");
}
if (incomingStream == null)
{
throw new ArgumentNullException("incomingStream");
}
NameValueCollection oAuthParameters = new NameValueCollection();
if (httpMethod == "POST")
{
if (httpContentType.Contains("application/x-www-form-urlencoded"))
{
oAuthParameters = this.ReadFormEncodedParameters(incomingStream);
}
else
{
if (!httpContentType.Contains("application/json"))
{
throw new OAuthMessageSerializationException(string.Format(Resources.ID3721, httpMethod, httpContentType));
}
oAuthParameters = this.ReadJsonEncodedParameters(incomingStream);
}
}
else
{
if (!(httpMethod == "GET"))
{
throw new OAuthMessageSerializationException(string.Format(Resources.ID3722, httpMethod));
}
oAuthParameters = HttpUtility.ParseQueryString(requestUri.Query);
}
return(this.CreateTypedOAuthMessageFromParameters(OAuthMessageSerializer.GetBaseUrl(requestUri), oAuthParameters));
}
private void AuthorizeTwoLegged()
{
var authorizeCodeRequest = BuildAuthorizationCodeRequest();
var serializer = new OAuthMessageSerializer();
var encodedQueryFormat = serializer.GetFormEncodedQueryFormat(authorizeCodeRequest);
HttpWebRequest httpWebRequest = WebRequest.Create(authorizeCodeRequest.BaseUri) as HttpWebRequest;
httpWebRequest.Method = "POST";
httpWebRequest.ContentType = "application/x-www-form-urlencoded";
StreamWriter streamWriter = new StreamWriter(httpWebRequest.GetRequestStream());
streamWriter.Write(encodedQueryFormat);
streamWriter.Close();
try
{
var message = serializer.Read(httpWebRequest.GetResponse() as HttpWebResponse) as EndUserAuthorizationResponse;
if (message != null)
{
AuthorizeWithACS(message.Code);
}
}
catch (WebException webex)
{
var message = serializer.Read(webex.Response as HttpWebResponse);
var endUserAuthorizationFailedResponse = message as EndUserAuthorizationFailedResponse;
if (endUserAuthorizationFailedResponse != null)
{
throw new AuthenticationException(endUserAuthorizationFailedResponse.ErrorDescription);
}
var userAuthorizationFailedResponse = message as ResourceAccessFailureResponse;
if (userAuthorizationFailedResponse != null)
{
throw new AuthenticationException(userAuthorizationFailedResponse.ErrorDescription);
}
throw;
}
}
/// <summary>
/// Authorizes the specified refresh token.
/// </summary>
/// <param name="refreshToken">The refresh token.</param>
public void Authorize(string refreshToken)
{
var authorizeRequest = BuildAccessTokenRequest(refreshToken);
var serializer = new OAuthMessageSerializer();
var encodedQueryFormat = serializer.GetFormEncodedQueryFormat(authorizeRequest);
HttpWebRequest httpWebRequest = WebRequest.Create(authorizeRequest.BaseUri) as HttpWebRequest;
httpWebRequest.Method = "POST";
httpWebRequest.ContentType = "application/x-www-form-urlencoded";
StreamWriter streamWriter = new StreamWriter(httpWebRequest.GetRequestStream());
streamWriter.Write(encodedQueryFormat);
streamWriter.Close();
try
{
var message = serializer.Read(httpWebRequest.GetResponse() as HttpWebResponse) as AccessTokenResponse;
if (message != null)
{
CurrentAccessToken = message;
LastAccessTokenRefresh = DateTime.UtcNow;
}
}
catch (WebException webex)
{
var message = serializer.Read(webex.Response as HttpWebResponse);
var endUserAuthorizationFailedResponse = message as EndUserAuthorizationFailedResponse;
if (endUserAuthorizationFailedResponse != null)
{
throw new AuthenticationException(endUserAuthorizationFailedResponse.ErrorDescription);
}
var userAuthorizationFailedResponse = message as ResourceAccessFailureResponse;
if (userAuthorizationFailedResponse != null)
{
throw new AuthenticationException(userAuthorizationFailedResponse.ErrorDescription);
}
throw;
}
}
